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While there were some available within the hour, the cancellation would have resulted in busier services elsewhere.

ScotRail told Edinburgh Live that this service was cancelled due to a signalling fault and that they would like to apologise to customers for any inconvenience.

Edinburgh services dominate 'busiest' list

Edinburgh trains do feature heavily in the list of busiest rail services in Scotland.

In third place is the 7.55am North Berwick to Haymarket service, which runs at 119 per cent capacity, while the 6.25pm Edinburgh to Glenrothes with Thornton, via Dunfermline, is fourth. This one runs at 117 per cent capacity.

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Fifth is the 3.20pm Edinburgh to Tweedbank train and in seventh is the 6.17pm Glasgow Central to Edinburgh service.

"Extra capacity is desperately needed"

The Scottish Liberal Democrats highlighted the latest Transport Scotland figures from May and called for more investment to improve rail services.

The party's transport spokesman Mike Rumbles said: "Commuters and tourists are shelling out more of their hard-earned money than ever before to perch in corridors on overcrowded trains.

"Rail fares have consistently risen faster than wage increases. We will never tempt motorists out of their cars and on to public transport if being packed in like sardines is what they have to look forward to.

"Extra capacity is desperately needed but we know that the new trains which are supposed to provide this won't now be delivered in full until April 2019. This is well behind the original schedule."

What can be done to reduce the overcrowding?

ScotRail say they are working to deliver improved services – and are investing a lot of money.

A spokesperson said: "The work we are doing to introduce brand new and upgraded trains will significantly boost the number of seats available to our customers across the country.

"Customers across the network are already benefiting from the considerable investment in our trains and we are working round the clock to deliver even more."

A spokeswoman from Transport Scotland added that the £475 million investment in new Hitachi trains, and their £54 million on high-speed trains will "transform" travel on key routes between Scottish cities.

The most overcrowded train services have been revealed

They say that more than 30 trains have had leases extended, providing more seats on many routes.

She said: "We wholly appreciate the impact of over overcrowding on rail services and, as such, actively publish the top ten busiest trains in an open and transparent fashion on an annual basis.

"By 2019 we will have increased capacity by 50 per cent over 2007 levels, and passengers across the country will reap the benefits of this."